CN205991046U - A kind of new adjustable clearance cylinder - Google Patents
A kind of new adjustable clearance cylinder Download PDFInfo
- Publication number
- CN205991046U CN205991046U CN201620795263.0U CN201620795263U CN205991046U CN 205991046 U CN205991046 U CN 205991046U CN 201620795263 U CN201620795263 U CN 201620795263U CN 205991046 U CN205991046 U CN 205991046U
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- China
- Prior art keywords
- piston rod
- clearance
- closure plate
- piston
- rotation
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Abstract
The utility model discloses a kind of new adjustable clearance cylinder, including clearance cylinder body, clearance piston, piston rod set, adjusting nut, piston rod, described clearance piston passes through O-ring and clearance cylinder body seal arrangement, it is provided with anti-rotation closure plate in the inner side of piston rod set, described anti-rotation closure plate is fixedly connected with piston rod set, is provided with square opening on anti-rotation closure plate, and described piston rod is installed on anti-rotation closure plate, one plane and square opening phase configuration are provided with along its length on the piston body of rod, prevent piston rod rotation.It is linear motion that this utility model passes through the convert rotational motion of piston and clearance piston, extends the service life of sealing member O-ring, further ensures the reliability of sealing；By arranging anti-rotation closure plate, square opening and arranging a plane on the piston rod, can effectively prevent from while piston rod rotation, also having the effect of clearance regulation scale concurrently, further increase safety and the convenience of this utility model operation.
Description
Technical field
This utility model is related to a kind of new adjustable clearance cylinder.
Background technology
In traditional adjustable clearance cylinder structure, adopt piston ring between clearance piston and clearance cylinder as sealing member, and live
Plug ring is the element for dynamic sealing, clearance piston adjust on request after and clearance cylinder between no relative motion, belong to static seal,
Movable sealing structure is irrational for static seal, necessarily leads to compressed media to be let out to piston rod set end from unit working cylinder.It is situated between
On the one hand the leakage of matter can reduce the work efficiency of Compressor Group, and on the other hand, some are poisonous, flammable explosive gas compression is situated between
The leakage of matter had not only been polluted environment but also had been likely to result in great security incident.
In addition, being currently by rotating threaded shaft so that clearance piston moves and to reach the distance adjusting clearance piston, and
From dynamic cooperation between leading screw and clearance piston.Because from dynamic cooperation, clearance piston can be with the suction of unit working cylinder, aerofluxuss
Play about process, the play of clearance piston high frequency time, form the shock repeatedly between clearance piston and leading screw, cause junction
Fragmentation accident.
Utility model content
Technical problem to be solved in the utility model is a kind of knot of not enough offer existing for above-mentioned prior art
Structure is simple, the new adjustable clearance cylinder of sealed reliable.
The technical scheme that this utility model is adopted is：A kind of new adjustable clearance cylinder, include clearance cylinder body, be installed in more than
Clearance piston in gap cylinder body, the piston rod set being installed in clearance cylinder body termination, the adjusting nut being installed in piston rod set and
The piston rod by screw thread arrangement for the adjusting nut, described piston rod is interspersed in piston rod and puts, and one end of described piston rod is stretched into
Is connected with clearance piston in clearance cylinder body, the other end stretches out piston rod set, and locked by locking nut it is characterised in that：Institute
State clearance piston and pass through O-ring and clearance cylinder body seal arrangement, be provided with anti-rotation closure plate in the inner side of piston rod set, described anti-rotation is blocked up
Plate is fixedly connected with piston rod set, is provided with square opening on anti-rotation closure plate, and described piston rod is installed on anti-rotation closure plate, in piston
The square opening phase configuration of one plane and anti-rotation closure plate is provided with along its length on the body of rod, prevents piston rod rotation.
By technique scheme, the plane on described piston rod is affixed with one of face of the square opening of anti-rotation closure plate
Close.
By technique scheme, on described piston rod, plane is off center plan.
By technique scheme, it is marked with graduation mark and numeral in the plane of piston rod.
By technique scheme, described anti-rotation closure plate is annular closure plate, and it is fixed on piston rod by shop bolt and puts.
By technique scheme, it is provided with protective case in the external end head of piston rod.
By technique scheme, piston rod set is provided with stepped hole, the rear end of described adjusting nut is provided with boss, front end
Stretch out the small end of stepped hole, rear end is installed at the big end of stepped hole and is carried out by anti-rotation closure plate spacing.
By technique scheme, it is provided with O-ring seal in the outer wall of clearance rear end of the cylinder block.
When adjusting clearance, rotation adjusting nut makes piston rod move forward and backward with clearance piston, to reach cylinder clearance tune
Whole purpose.
Having the beneficial effect that acquired by this utility model：1st, it is straight for passing through the convert rotational motion of piston and clearance piston
Line moves, and extends the service life of sealing member O-ring, further ensures the reliability of sealing；2nd, pass through setting anti-rotation to block up
Plate, square opening and arrange a plane on the piston rod, can effectively prevent from also having clearance concurrently while piston rod rotation adjusting mark
The effect of chi, further increases safety and the convenience of this utility model operation；3rd, this utility model can be applicable to compress
The clearance of each level time (including hiigh pressure stage cylinder) of machine is adjusted so that the regulation performance of a whole set of unit is more reliable and secure.
Brief description
Fig. 1 is main sectional view of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, present embodiments provide a kind of new adjustable clearance cylinder, including clearance cylinder body 8, clearance piston
13rd, piston rod set 4, adjusting nut 5, piston rod 9, clearance piston 13 is installed in the interior intracavity of clearance cylinder body 8, by O-ring 12
With clearance cylinder body 8 seal arrangement, piston rod 9 is connected by screw thread with adjusting nut 5, and described piston rod 9 is worn by adjusting nut 5
It is inserted in piston rod set 13, one end of described piston rod 9 is stretched in clearance cylinder body 8 and is connected with clearance piston 13, and the other end stretches out
Piston rod set 4, and locked by locking nut 2, it is provided with protective case 1 in the external end head of piston rod.Piston rod set 4 is provided with platform
Rank hole, the rear end of described adjusting nut 5 is provided with boss 17, and the small end of stepped hole is stretched out in front end, and rear end is installed in the big of stepped hole
At end, and carried out spacing by anti-rotation closure plate 14, described anti-rotation closure plate is after alignment pin 15 positioning more fixed by bolt 6
Inner side in piston rod set.Described piston rod set 4 is fixed on clearance cylinder body 8 by stud nut 3.In order to prevent clearance piston
The damage to O-ring for the rotation, is provided with square opening 18, described piston rod 9 is installed on anti-rotation closure plate 14 on anti-rotation closure plate 14,
One off center plan 16 and square opening 18 phase configuration are provided with along its length on the piston body of rod, prevent piston rod rotation.Wherein, institute
The plane stated on piston rod is fitted with one of face of square opening, is marked with graduation mark and number in the plane 16 of piston rod
Word is so as to have the function of clearance regulation scale.It is provided with O-ring seal 10 in the outer wall of clearance rear end of the cylinder block, in clearance cylinder body
On be configured with plug 7.
When adjusting clearance, lay down protective case 1 and locking nut 2, rotation adjustment spiral shell, 5 make piston rod 9 and clearance piston 13
Movable, stand off size is determined by the graduation mark in plane 16, after the completion of adjustment, reinstalls upper locking nut and guarantor
Sheath it is ensured that clearance adjust reliability.
Claims (8)
1. a kind of new adjustable clearance cylinder, including clearance cylinder body, the clearance piston that is installed in clearance cylinder body, is installed in clearance cylinder
The piston rod set of body end head, the adjusting nut being installed in the piston rod set and adjusting nut piston rod by screw thread arrangement, institute
State piston rod and be interspersed in piston rod and put, one end of described piston rod is stretched in clearance cylinder body and is connected with clearance piston, the other end
Stretch out piston rod set, and locked by locking nut it is characterised in that：It is close with clearance cylinder body that described clearance piston passes through O-ring
Envelope configuration, is provided with anti-rotation closure plate in the inner side of piston rod set, described anti-rotation closure plate is fixedly connected with piston rod set, in anti-rotation closure plate
Be provided with square opening, described piston rod is installed on anti-rotation closure plate, the piston body of rod is provided with along its length a plane with
The square opening phase configuration of anti-rotation closure plate, prevents piston rod rotation.
2. the new adjustable clearance cylinder of one kind according to claim 1 it is characterised in that：Plane on described piston rod with anti-
The one of face turning the square opening of closure plate fits.
3. the new adjustable clearance cylinder of one kind according to claim 1 and 2 it is characterised in that：On described piston rod, plane is
Off center plan.
4. the new adjustable clearance cylinder of one kind according to claim 1 and 2 it is characterised in that：Plane subscript in piston rod
There are graduation mark and numeral.
5. the new adjustable clearance cylinder of one kind according to claim 1 and 2 it is characterised in that：Described anti-rotation closure plate is annular
Closure plate, it is fixed on piston rod by shop bolt and puts.
6. the new adjustable clearance cylinder of one kind according to claim 1 and 2 it is characterised in that：Set in the external end head of piston rod
There is protective case.
7. the new adjustable clearance cylinder of one kind according to claim 1 and 2 it is characterised in that：Piston rod set is provided with platform
Rank hole, the rear end of described adjusting nut is provided with boss, and the small end of stepped hole is stretched out in front end, and rear end is installed in the big end of stepped hole
Place, and carried out spacing by anti-rotation closure plate.
8. the new adjustable clearance cylinder of one kind according to claim 1 and 2 it is characterised in that：Outer in clearance rear end of the cylinder block
Wall is provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795263.0U CN205991046U (en) | 2016-07-26 | 2016-07-26 | A kind of new adjustable clearance cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795263.0U CN205991046U (en) | 2016-07-26 | 2016-07-26 | A kind of new adjustable clearance cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991046U true CN205991046U (en) | 2017-03-01 |
Family
ID=58102277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620795263.0U Active CN205991046U (en) | 2016-07-26 | 2016-07-26 | A kind of new adjustable clearance cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991046U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762965A (en) * | 2017-03-24 | 2017-05-31 | 枣庄市达源液压设备有限公司 | A kind of novel hydraulic cylinder |
| CN108730259A (en) * | 2017-03-15 | 2018-11-02 | 桐乡市乌镇润桐嘉业机械维修中心 | Hydraulic device with adjustable limiting mechanism |
| CN108999772A (en) * | 2018-08-28 | 2018-12-14 | 沈阳远大压缩机自控***有限公司 | Reciprocating compressor automatic electric drives full flow clearance stepless regulating system and method |
| CN109372735A (en) * | 2018-12-24 | 2019-02-22 | 沈阳远大压缩机有限公司 | The high manual clearance adjusting device of revolving speed compressor of reciprocating-piston |
-
2016
- 2016-07-26 CN CN201620795263.0U patent/CN205991046U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730259A (en) * | 2017-03-15 | 2018-11-02 | 桐乡市乌镇润桐嘉业机械维修中心 | Hydraulic device with adjustable limiting mechanism |
| CN106762965A (en) * | 2017-03-24 | 2017-05-31 | 枣庄市达源液压设备有限公司 | A kind of novel hydraulic cylinder |
| CN106762965B (en) * | 2017-03-24 | 2018-04-13 | 枣庄市达源液压设备有限公司 | A kind of novel hydraulic cylinder |
| CN108999772A (en) * | 2018-08-28 | 2018-12-14 | 沈阳远大压缩机自控***有限公司 | Reciprocating compressor automatic electric drives full flow clearance stepless regulating system and method |
| CN109372735A (en) * | 2018-12-24 | 2019-02-22 | 沈阳远大压缩机有限公司 | The high manual clearance adjusting device of revolving speed compressor of reciprocating-piston |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430040 No. 999 Tianyuan Road, Dongxihu District, Wuhan, Hubei Patentee after: Sinopec Petroleum Machinery Co.,Ltd. Sanji Branch Address before: 430040 Hubei province Wuhan Dongxihu Wujiashan Tianyuan Road No. 999 Patentee before: COMPRESSOR BRANCH, SINOPEC OILFIELD EQUIPMENT Corp. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171012 Address after: 430040 No. 999 Tianyuan Road, Dongxihu District, Wuhan, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: Sinopec Petroleum Machinery Co.,Ltd. Sanji Branch Address before: 430040 No. 999 Tianyuan Road, Dongxihu District, Wuhan, Hubei Patentee before: Sinopec Petroleum Machinery Co.,Ltd. Sanji Branch |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Address before: 430040 No. 999 Tianyuan Road, Dongxihu District, Wuhan, Hubei Co-patentee before: SINOPEC OILFIELD EQUIPMENT Corp. Patentee before: Sinopec Petroleum Machinery Co.,Ltd. Sanji Branch |